The Kepler conjecture, named after the 17th-century German astronomer Johannes Kepler, is a mathematical conjecture about sphere packing in three-dimensional Euclidean space.

Although his original theoretical contributions were relatively few, with nowhere near the long-range impact of other 17th-century German writers, like Johannes Lippius, Christoph Bernhard or Joachim Burmeister, he compiled an encyclopedic record of contemporary musical practices.

The spacecraft, named in honor of the 17th-century German astronomer Johannes Kepler, was launched in March 2009 and has been active for as of today () ( time since launch ).

Illustrated by Brett Helquist, it concerns the fictitious theft of a painting by 17th-century Dutch artist Johannes Vermeer.

The original Tatler was founded in 1709 by Richard Steele, who used the nom de plume " Isaac Bickerstaff, Esquire ", the first such consistently adopted journalistic persona, which adapted to the first person, as it were, the 17th-century genre of " characters ", as first established in English by Sir Thomas Overbury and soon to be expanded by Lord Shaftesbury's Characteristics ( 1711 ).

Though he died at 33, Giorgione left a lasting legacy to be developed by Titian and 17th-century artists.

The word cutlass developed from a 17th-century English variation of coutelas, a 16th-century French word for a machete-like blade ( modern French for " knife ", in general, is " couteau " The word is often spelt " cuttoe " in 17th and 18th century English ).

The method of raising and lowering the vessel was similar to that developed by Nathaniel Simons in 1729, and the gaskets used to make watertight connections around the connections between the internal and external controls also may have come from Simons, who constructed a submersible based on a 17th-century Italian design by Giovanni Alfonso Borelli.

William Fulton Love, writer and bank agent in Beith, built Geilsland House and developed this small estate near Gateside in the 19th-century although the deeds go back to the 17th-century.

Forms of comic opera first developed in late 17th-century Italy.

The 17th-century term " japanning " refers to a range of techniques to imitate various Asian lacquerware, but especially those developed in Europe and Great Britain to resemble lacquerware imported from the Orient.

Fully developed by 17th-century European theology, the concept of the Court Of Conscience held that one's conscience would testify for or against one's actions in life after death.

The German Caspar David Friedrich had a distinctive style, influenced by his Danish training, where a distinct national style, drawing on the Dutch 17th-century example, had developed.

The design was based on fortifications developed by Sebastian Vauban, a 17th-century French military engineer, and modified by Dennis Hart Mahan.

Etymological dictionaries in the modern sense, however, appear only in the late 18th century ( with 17th-century predecessors such as Vossius ' 1662 Etymologicum linguae Latinae or Stephen Skinner's 1671 Etymologicon Linguae Anglicanae ), with the understanding of sound laws and language change and their production was an important task of the " golden age of philology " in the 19th century.

In the 17th-century Italian operas that Dryden admitted were his general models — and the French ones that he did not mention — the recitative drove the action, and the arias — " which for want of a proper English word, I must call the songish part "— were meant to please the ear rather than gratify the understanding.

The body of trustees decided on a converted 17th-century mansion, Montagu House, as a location for the museum, which it bought from the Montagu family for £ 20, 000.

A 17th-century legend has it that Hedwig, while on a pilgrimage to Rome, stopped at Bad Zell in Austria, where she had healing waters spring up at a source which today still bears her name.

A new rigorism was brought into the observance of the Christian Lord's Day among the 17th-century Puritans of England and Scotland, in reaction to the laxity with which Sunday observance was customarily kept.

The title of the novel is paraphrased in James Joyce's Finnegans Wake at 203. 21 as " Nanon L ' Escaut ", which also refers to the 17th-century French courtesan Ninon de l ' Enclos and to the Escaut River.

In Holland, the Dutch Republic ’ s 17th-century ( 1609 – 1672 ) mercantilist dominion was a first instance of global, commercial hegemony, made feasible with its technological development of wind power and its Four Great Fleets, for the efficient production and delivery of goods and services, which, in turn, made possible its Amsterdam stock market and concomitant dominance of world trade ; in France, King Louis XIV ( 1638 – 1715 ) and ( Emperor ) Napoleon I ( 1799 – 1815 ) established French hegemony via economic, cultural, and military domination of most of Continental Europe.

Folklorists have suggested that the most popular legends about Whittington — that his fortunes were founded on the sale of his cat, who was sent on a merchant vessel to a rat-beset Eastern emperor — originated in a popular 17th-century engraving by Renold Elstracke in which his hand rested on a cat, but the picture only reflects a story already in wide circulation.

One of the centerpieces of the collection is a partial recreation of the 17th-century ostrog ( fortress ) of Ilimsk, which consists of the original Spasskaya Tower and the Church of Our Lady of Kazan transported from the flooded ostrog in the mid-1970s, to which an exact modern copy of another tower of the ostrog and the Southern wall of the fortress were added in the early 2000s.

* Sanctuary of Santa Maria del Carmelo ( near the Courthouse ) built in 1931, which contains a 17th-century statue of the Virgin Mary.

A second trend was a slow shift away from the Bastille's 17th-century role of detaining primarily upper-class prisoners, towards a situation in which the Bastille was essentially a location for imprisoning socially undesirable individuals of all backgrounds – including aristocrats breaking social conventions, criminals, pornographers, thugs – and was used to support police operations, particularly those involving censorship, across Paris.

Geoffrey Keating, in his 17th-century History of Ireland, says that during the winter the fianna were quartered and fed by the nobility, during which time they would keep order on their behalf, but during the summer, from Beltaine to Samhain, they were obliged to live by hunting for food and for pelts to sell.

Rochefort is a notable example of 17th-century " ville nouvelle " or new town, which means its design and building resulted from a political decree.

The only major surviving building from the Durham College foundation is the east range of Durham Quad, containing the Old Library, which dates from 1421, although elements of the pre-Reformation fabric also survive on the opposite side of the quad, at either end of the 17th-century hall.

A well-preserved example of this is the Spitalbastei in Rothenburg or the bastions built as part of the 17th-century walls surrounding Derry, a city in Ulster in the north of Ireland ; however, at this stage the cities were still only protected by relatively thin walls which could offer little resistance to the cannons of the time.

In Jewish author Elie Wiesel's play The Trial of God ( 1979 ), the survivors of a pogrom, in which most of the inhabitants of a 17th-century Jewish village were massacred, put God on trial for his cruelty and indifference to their misery.

The eastern stream supplied power to Lolham and Maxey mills, while the western stream did the same for West Deeping mill and Molecey's mill, which still retains its 17th-century undershot waterwheel, modified in the 19th century to Poncelet's improved design, and the only surviving waterwheel of its type in Lincolnshire.

alt = The gray-tone picture shows a European man dressed in informal 17th-century clothing holding a sword, on which Rupert's name can just be made out, in one hand, and the severed head of John the Baptist in the other.

To the south of the Entrance Hall is the Library, and to the east is Wyatt's Dining Room, which has a stucco ceiling and a carved overmantel both in a late 17th-century style, as well as a frieze.

The Dining Room leads to the small Guard Room, which contains two 17th-century chairs and an 18th-century blunderbuss.

Due to the enslaved Africans attending their masters ’ worship services, the 17th-century influences on Negro spirituals and work songs were the traditional hymns which the enslaved had heard in worship services.

The most recent listed building is 1 – 5 Pillory Street, a curved corner block in 17th-century French style which dates from 1911.

In particular, Benson Court H is one of the few buildings in college whose structure survived from the 16th century, and presents its 17th-century facade which was previously known as Cross Keys Inn to the street front of Magdalene Street.

The genre and forms of the work greatly varied, with one being a claim to have found plays of a 17th-century playwright " William Aynesworthe ", which ended up being his own works.

Both Molière in the School For Wives and Wycherley in The Country Wife get a lot of comic business out of the meeting between, on the one hand, innocent but inquisitive young girls and, on the other hand, the sophisticated 17th-century culture of sexual relations which they encounter.

Other 17th-century Spanish schools are represented, such as the Sevillian, which includes examples of the work of Valdés Leal.

In 16th-and 17th-century Wales, an expansion in population as well as taxation policy led to a move of people into the Welsh countryside, where they squatted on common land.

This view led to serious distortions in later portrayals of 17th-century and 18th-century history, as Macaulay and his followers attempted to fit the complex and changing factional politics of the Restoration into the neat categories of 19th-century political divisions.

The search for the actress to portray Amber, a beauty who uses men to make her fortune in 17th-century England, was modeled on the extensive process that led to the casting of Vivien Leigh as Scarlett O ' Hara.